Finding the Fourth Proportional to 132,331.60, 198,497.40 and 73,282.60
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Solution
The fourth proportional to 132,331.60, 198,497.40 and 73,282.60 is: 109,923.90
Step by Step Solution
- Step 1: Write the proportion equation
132,331.60 : 198,497.40 = 73,282.60 : x - Step 2: Convert to fraction form
132,331.60/198,497.40 = 73,282.60/x - Step 3: Cross multiply
132,331.60x = 198,497.40 × 73,282.60 - Step 4: Simplify right side
132,331.60x = 14,546,405,565.24 - Step 5: Solve for x
x = 14,546,405,565.24/132,331.60 - Step 6: Final answer
x = 109,923.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.